atl: Cast-qual warnings fix

[Andrew Talbot]

Changelog:
    atl: Cast-qual warnings fix.

diff -urN a/dlls/atl/registrar.c b/dlls/atl/registrar.c
--- a/dlls/atl/registrar.c	2006-10-07 20:39:13.000000000 +0100
+++ b/dlls/atl/registrar.c	2006-10-17 22:43:45.000000000 +0100
@@ -286,13 +286,15 @@
                     }
                     break;
                 case 'd': {
+                    LPOLESTR iter_tmp;
                     DWORD dw;
                     if(*iter == '0' && iter[1] == 'x') {
                         iter += 2;
-                        dw = strtolW(iter, (WCHAR**)&iter, 16);
+                        dw = strtolW(iter, (WCHAR **)&iter_tmp, 16);
                     }else {
-                        dw = strtolW(iter, (WCHAR**)&iter, 10);
+                        dw = strtolW(iter, (WCHAR **)&iter_tmp, 10);
                     }
+                    iter = iter_tmp;
                     lres = RegSetValueExW(hkey, name.len ? name.str :  NULL, 0, REG_DWORD,
                             (PBYTE)&dw, sizeof(dw));
                     if(lres != ERROR_SUCCESS) {